Ball point pen



FIG. 1 is a front elevational view of ball point pen showing my new design;

FIG. 2 is a right side elevational view, the left side being a mirror image thereof;

FIG. 3 is a rear elevational view;

FIG. 4 is a top plan view;

FIG. 5 is a bottom plan view;

FIG. 6 is a right front perspective view; and

FIG. 7 is a right side elevational view with the writing tip projected for use, the left side being a mirror image thereof. 

The ornamental design for a ball point pen, as shown and described. 